| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * https://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| package org.apache.directory.api.ldap.codec; |
| |
| |
| import java.nio.ByteBuffer; |
| |
| import org.apache.directory.api.asn1.Asn1Object; |
| import org.apache.directory.api.asn1.DecoderException; |
| import org.apache.directory.api.asn1.EncoderException; |
| import org.apache.directory.api.i18n.I18n; |
| import org.apache.directory.api.ldap.codec.api.ControlDecorator; |
| import org.apache.directory.api.ldap.codec.api.LdapApiService; |
| import org.apache.directory.api.ldap.model.message.Control; |
| |
| |
| /** |
| * A decorator for handling opaque Control objects where we know nothing about |
| * their encoded value. These Controls are generated by default when a |
| * ControlFactory for them has not been registered with the |
| * {@link LdapApiService}. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| * @version $Rev$, $Date$ |
| */ |
| public class BasicControlDecorator extends ControlDecorator<Control> |
| { |
| /** |
| * Creates a new instance of BasicControlDecorator, decorating a |
| * {@link Control}. |
| * |
| * @param codec The LDAP codec service. |
| * @param control The {@link Control} to decorate. |
| */ |
| public BasicControlDecorator( LdapApiService codec, Control control ) |
| { |
| super( codec, control ); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public Asn1Object decode( byte[] controlBytes ) throws DecoderException |
| { |
| return null; |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public int computeLength() |
| { |
| // Call the super class to compute the global control length |
| if ( getValue() == null ) |
| { |
| valueLength = 0; |
| } |
| else |
| { |
| valueLength = getValue().length; |
| } |
| |
| return valueLength; |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public ByteBuffer encode( ByteBuffer buffer ) throws EncoderException |
| { |
| if ( buffer == null ) |
| { |
| throw new EncoderException( I18n.err( I18n.ERR_08000_CANNOT_PUT_A_PDU_IN_NULL_BUFFER ) ); |
| } |
| |
| if ( valueLength != 0 ) |
| { |
| buffer.put( getValue() ); |
| } |
| |
| return buffer; |
| } |
| } |